/Engine/Source/Runtime/Engine/Public/WorldPartition/WorldPartitionRuntimeHash.h
class URuntimeHashExternalStreamingObjectBase : public [UObject](API\Runtime\CoreUObject\UObject\UObject)
TMap<FName,FN...
CellToLevelStreamingPackage
TSoftObjectPtr<...
OuterWorld
TSoftObjectPtr<...
OwningWorld
TMap<FName,FN...
SubObjectsToCellRemapping